msem-instigator

Desiccated Trail enters tapped unless you control another Desert.
{T}: Add {W} or {B}.

({T}: Add {W} or {B}.)
Desolate Barrens enters tapped.

({T}: Add {R}, {W}, or {B}.)
Desolate Dominion enters tapped.

Desolate Path enters tapped unless you control one or fewer other lands.
{T}: Add {W} or {B}.
Cycling {2} ({2}, Discard this card: Draw a card.)

Sacrifice a land: Desperate Ravager gets +2/+0 and gains haste until end of turn.

As Destroyed Isle enters, you may pay 3 life. If you don't, it enters tapped.
{T}: Add {W}, {U}, or {B}.

Trample
Creatures your opponents control get -1/-0.

As Dha-Bukan enters, choose a basic land type. You may reveal a Desert card from your hand. If you don't, Dha-Bukan enters tapped.
Deserts you control are the chosen type in addition to their other land types.

Hexproof

Hexproof

Dire Dive enters tapped unless another player controls a land that could produce {B} or {R}.
{T}: Add {B} or {R}.

Dismal Backwater enters tapped.
When Dismal Backwater enters, you gain 1 life.
{T}: Add {U} or {B}.

Distant Path enters tapped unless you control one or fewer other lands.
{T}: Add {W} or {U}.
Cycling {2} ({2}, Discard this card: Draw a card.)

As long as your deck contains only red and colorless cards, your minimum deck size is reduced by eight.

Spells your opponents cast cost {1} more to cast.
Spells you cast cost {1} less to cast.

At the beginning of your end step, if you have no cards in hand, draw a card.
{2}{U}, {T}: Sacrifice any number of nontoken creatures. Create an X/X blue Horror creature token for each of those creatures, where X is the total power of those creatures.

Dominik's Shack enters tapped.
When Dominik's Shack enters, you may mill two cards.
{T}: Add {B} or {G}.

Dragon Queen's Den enters tapped.
{T}: Add {U}.
{U}, {T}: Scry 1. Activate only as a sorcery and only if you control a blue creature.

{T}: Add {C}.
{T}: Target land you control becomes the basic land type of your choice until end of turn.

{T}: Add {C}.
Tap an untapped creature you control: Dragonwall Gates becomes a 0/4 Wall artifact creature with defender until end of turn. It's still a land.

{T}: Add {C}.
{T}, Reappropriate: Add {G} or {U}. (Exile exactly two cards from your hand and/or graveyard.)

Puzzlebox (Begin the game with this and another card you own from outside the game in the command zone, locked. That card is face down until you unlock this.)
{0}: If a player has fifteen or fewer cards in their library, unlock Dreamcast Relic. If the revealed card is blue, put it into your hand. Otherwise, put it on top of your library.

Dreamscape enters tapped with two charge counters on it.
{T}: Add {C}.
{T}, Remove a charge counter from Dreamscape: Add one mana of any color.

({T}: Add {W} or {B}.)
Dreary Township enters tapped.
Cycling {2} ({2}, Discard this card: Draw a card.)

{T}: Add {C}.
{T}, Reappropriate: Add {R} or {W}. (Exile exactly two cards from your hand and/or graveyard.)